[Python-3000] Use case for generics

[Georg Brandl]

Greg Ewing wrote:
> Talin wrote:
> 
>>      r = Rectangle( x, y, w, h )
>>      r = Rectangle( minpos, maxpos )
>>      r = Rectangle( position, size )
> 
> This sort of thing is better done in Python using
> keyword arguments:
> 
>    Rectangle(left = x, top = y, width = w, height = h)
>    Rectangle(topleft = (x, y), size = (w,h))
>    Rectangle(topleft = (x0, y0), botright = (x1, y1))

... and which looks like another possible use case for keyword-only
arguments.

Georg